1951 09 04 FDC 75th Anniv American Chemical Soc New York

Commemorate a milestone in scientific history with this 1951 First Day Cover marking the 75th Anniversary of the American Chemical Society. Issued in New York, this collectible piece highlights the enduring legacy and contributions of the ACS to the field of chemistry. Ideal for historians and collectors, it offers a tangible connection to a pivotal moment in American scientific advancement.